Functions are one of the most powerful parts of JavaScript. This post explains what they are, how scope and closures work, and how to use arrow functions, recursion, and pure functions in a simple, beginner-friendly way.
Discover how JavaScript programs are built using statements, expressions, variables, and functions. This guide walks through conditionals, loops, and best practices like commenting and capitalization — everything you need to start writing structured, readable code.
Learn the building blocks of JavaScript — numbers, strings, booleans, and more. This post explains how data types define what kind of values your program can use, how type conversion works, and why understanding them is key to writing reliable, bug-free code.